package test1021;

public class Main {
    //    public static void main(String[] args){
//        Person person = new Person();
//        person.idea("李四","男");
//        Student student = new Student("张三","男","20201018","2021-09-01");
//
//        student.show();
//    }
//    public static void main(String[] args) {
//        Dog dog = new Dog();
//        dog.show();
//        dog.getName();
//    }
//    public static void main(String[] args) {
//        MyCalculator myAdd = new add();
//    }
}

